3970249990 has 48 divisors (see below), whose sum is σ = 8320351104. Its totient is φ = 1360060800.

The previous prime is 3970249967. The next prime is 3970249993. The reversal of 3970249990 is 999420793.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970249993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 722955 + ... + 728425.

It is an arithmetic number, because the mean of its divisors is an integer number (173340648).

Almost surely, 2^3970249990 is an apocalyptic number.

3970249990 is an abundant number, since it is smaller than the sum of its proper divisors (4350101114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3970249990 is a wasteful number, since it uses less digits than its factorization.

3970249990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973 (or 6966 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 3970249990 is about 63009.9197745879. The cubic root of 3970249990 is about 1583.4558217581.

The spelling of 3970249990 in words is "three billion, nine hundred seventy million, two hundred forty-nine thousand, nine hundred ninety".